
FM443 Function module - We reserve the right to make technical modifications.
50
Monitor data
7
The position of the 3-way valve depends on the installed valve type
in this case. Check whether the 3-way valve was correctly installed
on the building.
direct
The return temperature of the heating system is higher than the
temperature in the lower part of the buffer or combi storage tank.
The heater return is sent directly to the boiler.
The 3-way valve is in the "bypass" position.
tank
The return temperature of the heating system is lower than the
temperature in the buffer or in the lower part of the combi storage
tank.
The heater return is sent through the buffer or combination tank for
preheating by the 3-way switching valve.
7.3
Solar circuit heat meter
The display shows the current flow of the flow meter (heat meter
kit) and the corresponding supply and return temperatures of the
solar circuit.
monitor SOLAR
Volume
238gal/h
supply
194°F
return
86°F